[lit] Don't require semicolon separator

This patch removes the requirement for a semicolon as a separator when
passing arguments to lit. It relies on the shlex module that is part of
Python to do simple lexical analysis, similar to what happens in a Unix
shell.

llvm-svn: 336290

lldb/lit/Suite/lit.cfg

@@ -3,6 +3,7 @@
 # Configuration file for the 'lit' test runner.
 
 import os
+import shlex
 
 import lit.formats
 
@@ -14,13 +15,20 @@ config.suffixes = ['.py']
 
 # test_source_root: The root path where tests are located.
 # test_exec_root: The root path where tests should be run.
-config.test_source_root = os.path.join(config.lldb_src_root, 'packages','Python','lldbsuite','test')
+config.test_source_root = os.path.join(config.lldb_src_root, 'packages',
+                                       'Python', 'lldbsuite', 'test')
 config.test_exec_root = config.test_source_root
 
 # Build dotest command.
 dotest_cmd = [config.dotest_path, '-q']
 dotest_cmd.extend(config.dotest_args_str.split(';'))
 
+# We don't want to force users passing arguments to lit to use `;` as a
+# separator. We use Python's simple lexical analyzer to turn the args into a
+# list.
+if config.dotest_lit_args_str:
+  dotest_cmd.extend(shlex.split(config.dotest_lit_args_str))
+
 # Load LLDB test format.
 sys.path.append(os.path.join(config.lldb_src_root, "lit", "Suite"))
 import lldbtest

lldb/lit/Suite/lit.site.cfg.in

@@ -14,14 +14,13 @@ config.python_executable = "@PYTHON_EXECUTABLE@"
 config.dotest_path = "@LLDB_SOURCE_DIR@/test/dotest.py"
 config.dotest_args_str = "@LLDB_DOTEST_ARGS@"
 config.lldb_disable_python = @LLDB_DISABLE_PYTHON@
-
+config.dotest_lit_args_str = None
 
 # Additional dotest arguments can be passed to lit by providing a
 # semicolon-separates list: --param dotest-args="arg;arg".
 dotest_lit_args_str = lit_config.params.get('dotest-args', None)
 if dotest_lit_args_str:
-    config.dotest_args_str += ';'
-    config.dotest_args_str += dotest_lit_args_str
+    config.dotest_lit_args_str = dotest_lit_args_str
 
 # Support substitution of the tools and libs dirs with user parameters. This is
 # used when we can't determine the tool dir at configuration time.